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Observation of a Ub...
Observation of a Ubiquitous (π, π)-Type Nematic Superconducting Order in the Whole Superconducting Dome of Ultra-Thin BaFe2–xNixAs2 Single Crystals
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- Dong, Yu (författare)
- Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
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- Lv, Yangyang (författare)
- Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
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- Xu, Zuyu (författare)
- Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
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- Abdel-Hafiez, Mahmoud (författare)
- Uppsala universitet,Energimaterialens fysik,Natl Univ Sci & Technol MISiS, Moscow 119049, Russia
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- Vasiliev, A. N. (författare)
- Natl Univ Sci & Technol MISiS, Moscow 119049, Russia.;Moscow MV Lomonosov State Univ, Moscow 119991, Russia.
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- Zhu, Haipeng (författare)
- Huazhong Univ Sci & Technol, Wuhan Natl High Magnet Field Ctr, Wuhan 430074, Peoples R China.;Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China.
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- Wang, Junfeng (författare)
- Huazhong Univ Sci & Technol, Wuhan Natl High Magnet Field Ctr, Wuhan 430074, Peoples R China.;Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China.
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- Li, Liang (författare)
- Huazhong Univ Sci & Technol, Wuhan Natl High Magnet Field Ctr, Wuhan 430074, Peoples R China.;Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China.
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- Tian, Wanghao (författare)
- Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
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- Chen, Wei (författare)
- Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
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- Bao, Song (författare)
- Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
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- Wang, Jinghui (författare)
- Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
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- Wu, Yueshen (författare)
- ShanghaiTech Univ, ShanghaiTech Lab Topol Phys, Shanghai 201210, Peoples R China.;ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China.
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- Huang, Yulong (författare)
- Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.;Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
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- Li, Shiliang (författare)
- Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.;Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
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- Yuan, Jie (författare)
- Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.;Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
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- Jin, Kui (författare)
- Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.;Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
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- Zhang, Labao (författare)
- Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.
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- Wang, Huabing (författare)
- Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.
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- Yu, Shun-Li (författare)
- Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
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- Wen, Jinsheng (författare)
- Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
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- Li, Jian-Xin (författare)
- Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
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- Li, Jun (författare)
- Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;ShanghaiTech Univ, ShanghaiTech Lab Topol Phys, Shanghai 201210, Peoples R China.;ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China.
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- Wu, Peiheng (författare)
- Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Peoples R China.
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Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China. Energimaterialens fysik (creator_code:org_t)
- Institute of Physics Publishing (IOPP), 2021
- 2021
- Engelska.
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Ingår i: Chinese Physics Letters. - : Institute of Physics Publishing (IOPP). - 0256-307X .- 1741-3540. ; 38:9
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- In iron-based superconductors, the (0, pi) or (pi, 0) nematicity, which describes an electronic anisotropy with a four-fold symmetry breaking, is well established and believed to be important for understanding the superconducting mechanism. However, how exactly such a nematic order observed in the normal state can be related to the superconducting pairing is still elusive. Here, by performing angular-dependent in-plane magnetoresistivity using ultra-thin flakes in the steep superconducting transition region, we unveil a nematic superconducting order along the (pi, pi) direction in electron-doped BaFe2 - x Ni x As2 from under-doped to heavily overdoped regimes with x = 0.065-0.18. It shows superconducting gap maxima along the (pi, pi) direction rotated by 45 degrees from the nematicity along (0, pi) or (pi, 0) direction observed in the normal state. A similar (pi, pi)-type nematicity is also observed in the under-doped and optimally doped hole-type Ba1 - y K y Fe2As2, with y = 0.2-0.5. These results suggest that the (pi, pi) nematic superconducting order is a universal feature that needs to be taken into account in the superconducting pairing mechanism in iron-based superconductors.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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Dong, Yu
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Lv, Yangyang
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Xu, Zuyu
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Abdel-Hafiez, Ma ...
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Vasiliev, A. N.
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Zhu, Haipeng
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visa fler...
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Wang, Junfeng
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Li, Liang
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Tian, Wanghao
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Chen, Wei
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Bao, Song
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Wang, Jinghui
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Wu, Yueshen
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Huang, Yulong
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Li, Shiliang
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Yuan, Jie
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Jin, Kui
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Zhang, Labao
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Wang, Huabing
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Yu, Shun-Li
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Wen, Jinsheng
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Li, Jian-Xin
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Li, Jun
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Wu, Peiheng
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